Fire caused extensive damage to a house at 2301 Penn St in St Joseph Tuesday night. Fire caused extensive damage to a house at 2301 Penn St in St Joseph Tuesday night. One firefighter was treated for heat and dehydration issues but has now been released from the hospital. Officials say a family of three was able to escape the house safely.

St Joseph Fire Department PIO Mike Neylon tells us the firefighter was released from the hospital Wednesday morning.

He is not expected to return to work until his next scheduled shift on Friday. Neylon says the firefighter suffered a serious heat or dehydration issue and “went down pretty hard.” But he’s expected to be okay. Doctors at Mosaic gave him some medication and some I-V fluids.

Fire Prevention Chief Kenny Cordonnair tells us they believe the fire originated in the garage, but they do not yet know the cause. Damage was extensive but inspectors have not yet placed a dollar amount on it. An investigation continues.